WO2008104091A1 - Flange seal for pressure tank filters - Google Patents

Flange seal for pressure tank filters Download PDF

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Publication number
WO2008104091A1
WO2008104091A1 PCT/CH2007/000516 CH2007000516W WO2008104091A1 WO 2008104091 A1 WO2008104091 A1 WO 2008104091A1 CH 2007000516 W CH2007000516 W CH 2007000516W WO 2008104091 A1 WO2008104091 A1 WO 2008104091A1
Authority
WO
WIPO (PCT)
Prior art keywords
flange seal
seal
pressure tank
ring
pressure vessel
Prior art date
Application number
PCT/CH2007/000516
Other languages
German (de)
French (fr)
Inventor
Klaus Menneking
Original Assignee
Drm, Dr. Müller Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Drm, Dr. Müller Ag filed Critical Drm, Dr. Müller Ag
Publication of WO2008104091A1 publication Critical patent/WO2008104091A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
    • F16J15/106—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure homogeneous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/34—Seals or gaskets for filtering elements

Definitions

  • the invention relates to a Flanschabdichtung for coated pressure vessel filter, consisting of a lid and a pressure vessel, comprising a guide groove with a defined radius and an O-ring.
  • Flange seals on coated or gummed apparatuses, in particular on pressure-vessel filter vessels always cause difficulties, since various defects already occur during assembly of the seal, which then lead to leaks during operation. This is particularly troublesome when it comes to gases and liquids that are dangerous to the environment and the operating personnel.
  • the gasket is displaced inwards into the apparatus, and it can come to a shearing of the rubber of the coating by increased shoulder pressure in the region of the inner edge. The result is a gumming damage. If the internal pressure in the boiler is too high, the seal can be pushed outward. The result is a leak. If the connection is tightened with excessive torque, the seal may be destroyed. Here, the rubber coating on the sealing surfaces can be destroyed, which in turn leads to leakage and a considerable amount of repair costs.
  • EP 0 659 942 describes a sealing ring especially for a manhole pipe with cover and enamelled steel boilers.
  • the sealing ring consists of several parts, as well as an annular sealing washer as a seal carrier. This is intended to counteract preventing damage to the enamel in the nozzle neck.
  • the sealing of the liquid is achieved by the sealing disc.
  • a pressure-absorbing bandage is required to protect the seal against squeezing out.
  • the invention has for its object to provide a seal for coated with rubber or plastic filter vessel available that allows safe installation, does not shift during assembly and ensures the required tightness during operation, without a coating is injured or destroyed.
  • the guide is formed positively.
  • the liquid seal is made by the positive training. Furthermore, the seal is protected against being pressed out by the positive engagement.
  • the O-ring is provided with lateral tabs. This has the advantage that commercially available components can be used that are easier to manufacture and easy to procure.
  • Fig. 1 shows a cross section through the seal according to the invention in the region of a flange.
  • Fig. 2 shows a variant of the seal with only one against the outside Tab.
  • Fig. 3 shows a variant of the seal with only one against the boiler interior directed tab.
  • an upper flange which may constitute a lid of a pressure vessel by the reference numeral 1 and a lower flange 2, which may constitute a pressure vessel, the lower flange 2 is provided with a concentric groove 3, in which a profile gasket. 4 is inserted.
  • a profile gasket. 4 is inserted at the profile seal 4 at the profile seal 4 tabs 5,5 'are provided.
  • the lateral tabs 5,5 ' which are designed as flat seals have the task of a stop which ensures the correct compression of the round part of the seal 4.
  • FIGS. 2-3 like parts are designated by like reference numerals.
  • Fig. 2 differs from Fig. 1 only in that on the seal 4 directed against the outer part of the vessel 2 tab 5 'is provided.
  • Fig. 3 is also only a tab 5 but directed against the inner part of a container. This has the advantage that a dead volume is largely avoided.

Abstract

The invention relates to a flange seal for a pressure tank filter coated with plastic or rubber, comprising a cover (1) and a pressure tank (2), including a guide groove (3) having a defined radius and an O-ring (4). The guide groove (3) is configured in a positively engaged fashion with the O-ring. The flange seal according to the invention prevents installation errors and guarantees tightness that prevents damage to the coating on the sealing surface even at higher pressures.

Description

Flanschabdichtung für Druckkesselfilter Flange seal for pressure vessel filter
Die Erfindung betrifft eine Flanschabdichtung für beschichtete Druckkesselfilter, bestehend aus einem Deckel und einem Druckkessel, umfassend eine Führungsnut mit einem definierten Radius und einen O-Ring .The invention relates to a Flanschabdichtung for coated pressure vessel filter, consisting of a lid and a pressure vessel, comprising a guide groove with a defined radius and an O-ring.
Flanschabdichtungen an beschichteten oder gummierten Apparaten, insbesondere an Druckkesselfilterkesseln bereiten immer wieder Schwierigkeiten, da schon bei der Montage der Dichtung diverse Fehler auftreten, die dann im Betrieb zu Undichtigkeiten führen. Das ist besonders störend, wenn es sich um Gase und Flüssigkeiten handelt, welche für die Umwelt und das Bedienungspersonal Gefahren darstellen.Flange seals on coated or gummed apparatuses, in particular on pressure-vessel filter vessels, always cause difficulties, since various defects already occur during assembly of the seal, which then lead to leaks during operation. This is particularly troublesome when it comes to gases and liquids that are dangerous to the environment and the operating personnel.
Am häufigsten sind Positionierungsfehler. Hier ist die Dichtung nach innen in den Apparat verschoben, und es kann durch erhöhten Schulterdruck im Bereich der inneren Kante zu einer Abscherung des Gummis der Beschichtung kommen. Die Folge ist ein Gummierungsschaden. Bei zu hohem Innendruck im Kessel kann die Dichtung nach Außen gedrückt werden. Die Folge ist Undichtigkeit. Wurde die Verbindung mit einem zu hohen Drehmoment angezogen, kann die Dichtung zerstört werden. Hier kann auch die Gummierung auf den Dichtflächen zerstört werden, was wiederum zu Undichtigkeit führt und einen erheblichen Reparaturaufwand nach sich zieht.The most common are positioning errors. Here, the gasket is displaced inwards into the apparatus, and it can come to a shearing of the rubber of the coating by increased shoulder pressure in the region of the inner edge. The result is a gumming damage. If the internal pressure in the boiler is too high, the seal can be pushed outward. The result is a leak. If the connection is tightened with excessive torque, the seal may be destroyed. Here, the rubber coating on the sealing surfaces can be destroyed, which in turn leads to leakage and a considerable amount of repair costs.
In der DE 197 28 715 A wird eine Dichtung beschrieben, bei welcher die Nuten in den abzudichtenden unbeschichteten Körpern unterschiedliche Tiefen aufweisen. Solche kraftschlüssigen Dichtungen sind allgemein bekannt. Bei unbeschichteten Körpern stellt eine Montage der Dichtung keine Probleme dar. Die EP 0 659 942 beschreibt einen Dichtring speziell für einen Mannlochstutzen mit Deckel und emaillierten Stahlkesseln. Der Dichtring besteht aus mehreren Teilen, sowie einer ringförmigen Dichtscheibe als Dichtungsträger. Diese soll vorbeugend einer Beschädigung der Emaillierung im Stutzenhals entgegenwirken. Die Abdichtung der Flüssigkeit wird durch die Dichtscheibe erreicht. Außerdem ist eine druckaufnehmende Bandage erforderlich, um die Dichtung gegen ein Herausdrücken zu schützen.DE 197 28 715 A describes a seal in which the grooves in the uncoated bodies to be sealed have different depths. Such frictional seals are well known. With uncoated bodies mounting the seal poses no problems. EP 0 659 942 describes a sealing ring especially for a manhole pipe with cover and enamelled steel boilers. The sealing ring consists of several parts, as well as an annular sealing washer as a seal carrier. This is intended to counteract preventing damage to the enamel in the nozzle neck. The sealing of the liquid is achieved by the sealing disc. In addition, a pressure-absorbing bandage is required to protect the seal against squeezing out.
Ein Nachteil der bekannten Abdichtung liegt darin, dass zwei Dichtungen erforderlich sind was zusätzlich Material benötigt. Emaillierte Stahlkessel sind nicht Gegenstand der ErfindungA disadvantage of the known seal is that two seals are required which additionally requires material. Enamelled steel boilers are not the subject of the invention
Der Erfindung liegt die Aufgabe zugrunde, eine Dichtung für mit Gummi oder Kunststoff beschichtete Filterkessel zur Verfügung zu stellen, die eine sichere Montage erlaubt, sich während der Montage nicht verschiebt und die benötigte Dichtigkeit im Betrieb gewährleistet, ohne dass eine Beschichtung verletzt oder zerstört wird.The invention has for its object to provide a seal for coated with rubber or plastic filter vessel available that allows safe installation, does not shift during assembly and ensures the required tightness during operation, without a coating is injured or destroyed.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Führungsnut formschlüssig ausgebildet ist. Die Flüssigkeitsabdichtung erfolgt durch die formschlüssige Ausbildung. Des weiteren wird durch die Formschlüssigkeit die Dichtung gegen ein Herausdrücken geschützt.This object is achieved in that the guide is formed positively. The liquid seal is made by the positive training. Furthermore, the seal is protected against being pressed out by the positive engagement.
In einer weiteren Ausführung ist der O-Ring mit seitlichen Laschen versehen. Das hat den Vorteil, dass handelsübliche Komponenten verwendet werden können, die einfacher herzustellen und leicht zu beschaffen sind.In a further embodiment, the O-ring is provided with lateral tabs. This has the advantage that commercially available components can be used that are easier to manufacture and easy to procure.
Die Erfindung soll anhand einer Zeichnung näher beschrieben werden.The invention will be described in more detail with reference to a drawing.
Es zeigen:Show it:
Fig. 1 Einen Querschnitt durch die erfindungsgemäße Dichtung im Bereich eines Flansches. Fig. 2 Eine Variante der Dichtung mit nur einer gegen außen gerichteten Lasche.Fig. 1 shows a cross section through the seal according to the invention in the region of a flange. Fig. 2 shows a variant of the seal with only one against the outside Tab.
Fig. 3 Eine Variante der Dichtung mit nur einer gegen das Kesselinnere gerichteten Lasche.Fig. 3 shows a variant of the seal with only one against the boiler interior directed tab.
In Fig. 1 wird ein oberer Flansch, welcher einen Deckel eines Druckbehälter darstellen kann mit dem Bezugszeichen 1 bezeichnet und ein unterer Flansch 2, welcher einen Druckkessel darstellen kann, Der untere Flansch 2 ist mit einer konzentrischen Nut 3 versehen, in welche eine Profildichtung 4 eingelegt ist. An der Profildichtung 4 sind Laschen 5,5' vorgesehen.In Fig. 1, an upper flange, which may constitute a lid of a pressure vessel by the reference numeral 1 and a lower flange 2, which may constitute a pressure vessel, the lower flange 2 is provided with a concentric groove 3, in which a profile gasket. 4 is inserted. At the profile seal 4 tabs 5,5 'are provided.
Im Betrieb wird die eigentliche Dichtfunktion vom runden Teil der Dichtung 4 übernommen. Die seitlichen Laschen 5,5', welche als Flachdichtungen ausgebildet sind haben die Aufgabe eines Anschlags, welcher die korrekte Verpressung des runden Teils der Dichtung 4 sicherstellt.During operation, the actual sealing function is taken over by the round part of the seal 4. The lateral tabs 5,5 ', which are designed as flat seals have the task of a stop which ensures the correct compression of the round part of the seal 4.
In den Figuren 2-3 sind gleiche Teile mit gleichen Bezugszeichen versehen.In FIGS. 2-3, like parts are designated by like reference numerals.
Fig. 2 unterscheidet sich von Fig. 1 nur dadurch, dass an der Dichtung 4 eine gegen den Außenteil des Kessels 2 gerichtete Lasche 5' vorgesehen ist.Fig. 2 differs from Fig. 1 only in that on the seal 4 directed against the outer part of the vessel 2 tab 5 'is provided.
In Fig. 3 ist gleichfalls nur eine Lasche 5 aber gegen den Innenteil eines Behälters gerichtet. Das hat den Vorteil, dass ein Totvolumen weitgehend vermieden wird.In Fig. 3 is also only a tab 5 but directed against the inner part of a container. This has the advantage that a dead volume is largely avoided.
Mit der erfindungsgemäßen Dichtung ist es gelungen, Montagefehler zu vermeiden und eine Dichtigkeit zu gewährleisten, welche auch bei höheren Drücken eine Beschädigung der Beschichtung an der Dichtfläche vermeidet. With the seal according to the invention it has been possible to avoid assembly errors and to ensure a tightness, which avoids damage to the coating on the sealing surface even at higher pressures.

Claims

Patentansprüche claims
1. Flanschabdichtung für beschichtete Druckkesselfilter, bestehend aus einem Deckel (1) und einem Druckkessel (2), umfassend eine Führungsnut (3) mit einem definierten Radius und einen O-Ring (4), dadurch gekennzeichnet, dass die Führungsnut (3) formschlüssig ausgebildet ist.1. Flange seal for coated pressure vessel filter, consisting of a cover (1) and a pressure vessel (2), comprising a guide groove (3) with a defined radius and an O-ring (4), characterized in that the guide groove (3) form fit is trained.
2. Flanschabdichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der O- Ring (4) unmittelbar mit seitlichen Laschen (5,5') versehen ist.2. Flange seal according to claim 1, characterized in that the O-ring (4) is provided directly with lateral tabs (5,5 ').
3. Flanschabdichtung nach Anspruch 2, dadurch gekennzeichnet, dass die seitliche Lasche (5) gegen die Innenseite eines Druckkessels angeordnet ist.3. flange seal according to claim 2, characterized in that the lateral tab (5) is arranged against the inside of a pressure vessel.
4. Flanschabdichtung nach Anspruch 2, dadurch gekennzeichnet, dass die seitliche Lasche (5)' gegen die Außenseite eines Druckkessels angeordnet ist. 4. flange seal according to claim 2, characterized in that the lateral flap (5) 'is arranged against the outside of a pressure vessel.
PCT/CH2007/000516 2007-03-01 2007-10-19 Flange seal for pressure tank filters WO2008104091A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH330/07 2007-03-01
CH3302007 2007-03-01

Publications (1)

Publication Number Publication Date
WO2008104091A1 true WO2008104091A1 (en) 2008-09-04

Family

ID=38894029

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2007/000516 WO2008104091A1 (en) 2007-03-01 2007-10-19 Flange seal for pressure tank filters

Country Status (1)

Country Link
WO (1) WO2008104091A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1841216U (en) * 1961-02-11 1961-11-09 Waldenmaier J E H FLAT AND O-RING SEAL.
EP0058811A1 (en) * 1981-02-25 1982-09-01 Baumgartner, Merzia Connector with a seal
DE3641031A1 (en) * 1986-12-01 1988-07-14 El A Verfahrenstechnik Gmbh Washing pressure filter
US5516122A (en) * 1993-12-10 1996-05-14 Caffee; Barry K. Ultra high vacuum elastomer seal
US20040160018A1 (en) * 2003-02-14 2004-08-19 Dupont Paul Robert Gasket for sanitary fittings

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1841216U (en) * 1961-02-11 1961-11-09 Waldenmaier J E H FLAT AND O-RING SEAL.
EP0058811A1 (en) * 1981-02-25 1982-09-01 Baumgartner, Merzia Connector with a seal
DE3641031A1 (en) * 1986-12-01 1988-07-14 El A Verfahrenstechnik Gmbh Washing pressure filter
US5516122A (en) * 1993-12-10 1996-05-14 Caffee; Barry K. Ultra high vacuum elastomer seal
US20040160018A1 (en) * 2003-02-14 2004-08-19 Dupont Paul Robert Gasket for sanitary fittings

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